UI系统

Assets/_Game/Scripts/UI/MainMenu/NewGameModeConfigSO.cs

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+using System;
+using UnityEngine;
+using BaseGames.Core.Events;
+
+namespace BaseGames.UI.MainMenu
+{
+    /// <summary>
+    /// 新游戏难度选择数据表（策划编辑）。按顺序列出可选难度；
+    /// <see cref="NewGameModeController"/> 据此生成按钮，点击返回对应 <see cref="DifficultyLevel"/>。
+    /// 策划可增删 / 重排 / 改标签 / 改说明，无需改代码。样式改 UI_NewGameModePanel / UI_MainMenu_Button 预制件。
+    /// </summary>
+    [CreateAssetMenu(menuName = "BaseGames/UI/New Game Mode Config", fileName = "UI_NewGameModeConfig")]
+    public class NewGameModeConfigSO : ScriptableObject
+    {
+        [Serializable]
+        public struct Item
+        {
+            [Tooltip("此项对应的难度等级。")]
+            public DifficultyLevel level;
+
+            [Tooltip("难度名标签本地化 Key（UI 表，如 MODE_NORMAL）。")]
+            public string labelKey;
+
+            [Tooltip("难度说明本地化 Key（选中该项时显示，可空，如 MODE_STEELSOUL_DESC）。")]
+            public string descKey;
+
+            [Tooltip("难度图标（可空）。")]
+            public Sprite icon;
+        }
+
+        [Tooltip("面板标题本地化 Key。")]
+        [SerializeField] private string _titleKey = "MODE_SELECT_TITLE";
+
+        [Tooltip("返回按钮本地化 Key。")]
+        [SerializeField] private string _backLabelKey = "BTN_BACK";
+
+        [SerializeField] private Item[] _items;
+
+        public string TitleKey     => _titleKey;
+        public string BackLabelKey => _backLabelKey;
+        public Item[] Items        => _items;
+    }
+}